116215880320 has 128 divisors (see below), whose sum is σ = 292729392000. Its totient is φ = 43997810688.

The previous prime is 116215880311. The next prime is 116215880357. The reversal of 116215880320 is 23088512611.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×116215880320² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 116215880320.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14746141 + ... + 14754019.

It is an arithmetic number, because the mean of its divisors is an integer number (2286948375).

Almost surely, 2^116215880320 is an apocalyptic number.

116215880320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116215880320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146364696000).

116215880320 is an abundant number, since it is smaller than the sum of its proper divisors (176513511680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

116215880320 is a wasteful number, since it uses less digits than its factorization.

116215880320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9130 (or 9118 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 116215880320 in words is "one hundred sixteen billion, two hundred fifteen million, eight hundred eighty thousand, three hundred twenty".